<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <meta http-equiv="X-UA-Compatible"content="IE=edge">
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
 <title>Document</title>
 <script src="/web1/js/vue.js"></script>
</head>
<body>
 <div id="app">
 <div ref="self">test</div>
 </div>
    <script>
        var vm=new Vue({
        el:'#app',
        data:{
        msg:'ok'
                },
        beforeDestroy(){
        console.log('销毁之前')
        console.log(this.$refs.self)
        console.log(this.msg)
        console.log(vm)
                        },
            destroyed(){
        console.log('销毁之后')
        console.log(this.$refs.self)
        console.log(this.msg)
        console.log(vm)
                }
        } )
    </script>

</body>
</html>
